查询词典 extraction

Of our predecessors by improving extraction technology, used solid-phase extraction way to extract a separation, that is, the AB-8 macroporous resin for solid phase, ethanol - water eluate, through multiple-eluting And constantly improve the preparation of conditions, from the extract of red flowers in the isolated flavonoids components.

对前人的提取工艺进行了改进，用固相萃取的方式对提取液进行了分离，即以AB－8大孔吸附树脂为固相，乙醇－水为洗脱液，通过多次洗脱，不断优化制备条件，从红花的提取物中分离出黄酮组分。

Under the determined extraction conditions, a new process of countercurrent liquid membrane extraction technology was adopted to separate terbutaline enantiomorph.

基于实验已确定的萃取条件，采用液膜逆流萃取技术分离特布他林对映体。

In this paper, ethanol is choosed as the entrainer to the solanesol supercritical CO2 extraction experiments by Soxhlet extraction.

本课题采用索式提取方法，确定了乙醇为超临界CO2萃取茄尼醇的夹带剂。

The optimized technological condition for the extraction of nonpolar substances such as volatile oils in Fructus evodiae with SFE-CO2 technique was as follows: pressure of 26 MPa,temperature of 40 ℃,entrainer of 95 ％ alcohol and extraction time of 1.5 h .

吴茱萸用SFE-CO2提取挥发油等非极性物质的工艺条件为：提取压力26 MPa，温度40℃，夹带剂95％乙醇，提取时间1.5 h。

Nederman is a world leader in dust and smoke extraction, exhaust fume extraction, hose and cable reels, workplace partitioning and protective gear.

尼的曼在灰尘和烟雾净化、汽车尾气抽排、水管和电缆盘管器、工作场所分割和保护装备方面，是全球性的业界领导者。

The results showed that the influences on condensation of alcohol, t he amount of water-adding,extraction temperature and extraction time on the co n tent of polyhexose-extracting of the whole fruit and its exocarp were indistinc t ive relatively....

结果表明所选 4个因素(乙醇体积分数、加水量、加热温度和提取时间)对全果和外果皮多糖提取的影响相对不显著，采用短时多次提取，多糖提取比较完全。

The optimum extraction conditions were obtained by using 5 mL of water (pH=8) as the extractant at 70℃ with 5 min static extraction.

研究表明，在萃取温度70℃，萃取时间5 min，提取液的pH为8.0，提取液体积为5 mL的条件下，灭多威有最高萃取效率。

This study points to the control of the management and application of imaging to improve the efficiency of image matching as well as in the picture for different feature point extraction process, select the fast, effective, high accuracy of feature point extraction method is of great significance.

本研究对控制点影像的管理与应用、提高影像匹配的效率以及在对于不同的图片进行特征点提取过程中选取快速，有效，精确性高的特征点提取方法具有重要的意义。

The model of multicenter extraction was brought forward on the base of Fick law. A mapping model of extraction time and concentration were set up according to the experiment.

在费克定律的基础上提出了多通道核浸提理论，建立了浸提时间与浸提浓度之间的映射模型。

With this sleight, we optimized the experimental conditions such as the prescription of extraction solution, ratio between solution and sample, experimental temperature and extraction duration, and proposed a standard procedure of the sample pretreatment for 1H NMR finger-print experiments of tea.

针对生物指纹识别实验中样本体系复杂及化学组分含量多等特点，利用主成分分析对检测样品质控的多因素进行综合分析，最终确立了茶叶中化学成分提取制备的实验条件。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。